| 广义无剪力分配法及其传播矩阵 |
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| 引用本文： | 龚秀.广义无剪力分配法及其传播矩阵[J].建筑结构学报,1987,8(1):29-42. |
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| 作者姓名： | 龚秀 |
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| 作者单位： | 金华市第二建筑公司设计室 |
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| 摘 要： | 本文通过理论推导,修正了弯矩分配法中的分配系数和传递系数,同时引进了同层柱(有相同侧移杆件)间的侧移弯矩传播系数,从而得出了一种可用于分析有侧移多层多跨框架的弯矩分配法。这种方法可称为有侧移弯矩分配法,或称为广义无剪力分配法。 广义无剪力分配法,可以用于手算;也可以与传播矩阵法相结合,用于电算。广义无剪力分配的传播矩阵法与矩阵位移法相比,它的优点是矩阵降阶,使电算的内存及运算量减少。
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| 收稿时间： | 1987-02-05 |
| 修稿时间： | 1987-02-05 |
A Generalized Method of Moment Distribution without Shearing Force and Its Propagating Matrix |
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| Gong Xiu.A Generalized Method of Moment Distribution without Shearing Force and Its Propagating Matrix[J].Journal of Building Structures,1987,8(1):29-42. |
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| Authors: | Gong Xiu |
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| Affiliation: | Gong Xiu( Design Office of the nd Construction Engineering Company of Jinhua City ) |
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| Abstract: | Through theoretical deduction, this paper presents a modification of distribution factors and carry-over factors in moment distribution method, and introduces propagating factors for bending moment due to side sway in columns of the floor in consideration, i.e. members having the same lateral displacement.As a result, a modified moment distribution method for computing multistory and multispan structure with side sway is developed, and it can be recognized as a generalized method of moment distribution without shearing force.This method is adaptable either to hand computation or to be calculated by computers with the help of propagating matrix. In comparison with matrix displacement method, the given method has the merit of reducing orders of matrix, thus it minimizes the amount of storage and shortens computing time. |
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